create db in std user app dir

mainwindow.cpp

@@ -3,6 +3,7 @@
 #include <QDir>
 #include <QTextStream>
 #include <QFileDialog>
+#include <QApplication>
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 
@@ -12,6 +13,9 @@ MainWindow::MainWindow(QWidget *parent) :
     ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
+    QCoreApplication* app = QApplication::instance();
+    app->setApplicationName("Upnote");
+
     search = new Searcher(this);
     notelist = 0;
     settings = 0;
@@ -122,10 +126,7 @@ QString MainWindow::getNotesPath()
 {
     if( settings == 0)
     {
-        const QString orgval("Upnote");
-        settings = new QSettings(QSettings::NativeFormat,
-                                 QSettings::UserScope,
-                                 orgval, QString(), this );
+        settings = new QSettings();
     }
     notespath = settings->value("notes_path", QString("./notes") ).toString();
     return notespath;

searcher.cpp

@@ -1,5 +1,7 @@
 #include <QtSql/QSqlDatabase>
 #include <QtSql/QSqlQuery>
+#include <QStandardPaths>
+#include <QDir>
 #include <QVariant>
 #include "searcher.h"
 
@@ -13,8 +15,16 @@ Searcher::Searcher(QObject *parent) :
     {
         s_db = new QSqlDatabase(QSqlDatabase::addDatabase("QSQLITE"));
     }
+    QStringList dirs = QStandardPaths::standardLocations(QStandardPaths::DataLocation);
+    QDir datadir(dirs.at(0));
+    if(!datadir.exists()  )
+    {
+        datadir.mkpath(dirs.at(0));
+    }
+    QString dbpath = datadir.path() + "/upnote.db";
+
     s_db->setHostName("localhost");
-    s_db->setDatabaseName("tmp.db");
+    s_db->setDatabaseName(dbpath);
     s_db->open();
 
     QSqlQuery setuptable(*s_db);
@@ -40,6 +50,7 @@ void Searcher::load_entry( const QString &title, const QString &body)
     load.exec();
 }
 
+
 void Searcher::update_entry( const QString &title, const QString &body )
 {
     static QSqlQuery update(*s_db);